The S&P Composite index has been consistently above its trend for nearly three decades. The current record for the index as ...

Standard deviation is a metric that shows the variability of a security’s returns over time. It can be used to gauge volatility based on past performance and compare a future return to past returns.

There are two formulae for standard deviation. \(s = \sqrt {\frac{{\sum {{{(X - \bar X)}^2}} }}{{n - 1}}}\) (where n is the sample size). The second formula is a re ...

The power of Python trumps Excel workbooks.

Excel users often rely on familiar shortcuts to speed up their workflow, but there are hidden gems that remain underutilized. My Online Training Hub highlights lesser-known shortcuts like Ctrl + Shift ...

On Monday, Anthropic announced Opus 4.5, the latest version of its flagship model. It’s the last of Anthropic’s 4.5 series of models to be released, following the launch of Sonnet 4.5 in September and ...

If your Excel spreadsheet always opens in a small window and not a maximized one, follow these steps to resolve the issue: Method 1: You can click the Minimize button on the top right corner of the ...

Microsoft Excel’s mathematical capabilities often go far beyond the needs of most everyday users. However, Excel’s built-in statistical functions make it an essential tool for anyone who works with ...

Windows may get all the attention, but when you want to get real work done, you turn to the applications that run on it. And if you use spreadsheets, that generally means Excel. Excel is, of course, ...

I would like to be emailed about offers, event and updates from Evening Standard. Read our privacy notice. The Excel conference centre in east London will continue to host the Formula E world racing ...